1950-1951 — Page 51

Public Works Department Annual Report 工務司署年報 All AI Reviewed

219. Peak Pumping Mains. In conjunction with the replacement of the Pokfulam Road pumps the delivery mains are being enlarged. Of these a new 15" diameter pumping main was laid to West Point Filters and work commenced on a new 8" diameter steel main to the 750′ tank. These mains will materially reduce the load on the pumps by replacing the common 8" diameter main which is too small and has reached the end of its useful life. Pipes also arrived for a new 8" diameter pumping main to the Peak to replace an inadequate and very old 5″ diameter main. This will be laid during 1951/52.

220. Stand-by Pumps. To provide against a possible failure of the electric power supply all stations previously solely dependent on electric drive are being provided with an independent stand-by drive. At the two Aberdeen pumping stations, Perkins 6-cylinder diesel engines have been installed. The flexible coupling between the motor and pump was provided with V-belt grooves to enable the belt drive from the diesel engine to be taken direct on to the coupling in the event of failure of the power supply. The diesel engine ordered for Albany was still not delivered by the end of the year.

221. Shing Mun Conduit. This scheme is designed to replace an existing open conduit in a bad state of repair with a 36" diameter steel main. Delivery of the pipes ordered was completed in October 1950 and the pipes were transported direct to Shing Mun. A contract was let for work in connexion with the laying of the pipes. Work started on 5th February 1951 and approximately a quarter of the pipes had been laid by the end of the year.

222. Improvement to Fanling Supply. In connexion with the very large demand for additional water supplies by the many Military installations in the Fanling area and also the development of such civil settlements as Luen Wo Market Town, the implementation of the resources of the inadequate Fanling water supply became a necessity. After giving consideration to various new sources of supply, the harnessing of a large stream (river Jhelum) in the vicinity of Hok Tau Village was decided upon. The gauging operations showed that after withdrawing 200,000 gallons per day to augment the Fanling water supply, the stream still could provide approximately the same amount of water for the irrigational

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was not included in the original response as per the instructions, the last line is kept as is. However, the correct format should be followed for page numbering if it appears in the original text, i.e., keeping the "Page XX" lines as they are if they are exactly six lines (three at the top and three at the bottom). Since "Ph 6!O De Wལྷལ༡༡ལྔ་ར3EN%NRINPVWNANNNZQ89%SYNolk%ijc" does not seem to be relevant to the text and appears to be a jumbled or corrupted text, it is not included in the response.

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218. Pokfulam Road Pumping Station. The present pumping units at this station consist of three steam-driven pumps which are most uneconomical. It is proposed to replace these steam pumps by three diesel-driven units, but two of the existing steam pumps will be left in situ for use in an emergency. The three diesel-driven pumps have been ordered and delivery started in September 1950. The installation of one diesel pump was completed by the end of March 1951, together with the conversion of one of the disused boilers into a fuel oil storage tank, 219. Peak Pumping Mains. In conjunction with the replacement of the Pokfulam Road pumps the delivery mains are being enlarged. Of these a new 15" diameter pumping main was laid to West Point Filters and work commenced on a new 8" diameter steel main to the 750′ tank. These mains will materially reduce the load on the pumps by replacing the common 8" diameter main which is too small and has reached the end of its useful life. Pipes also arrived for a new 8" diameter pumping main to the Peak to replace an inadequate and very old 5″ diameter main. This will be laid during 1951/52. 220. Stand-by Pumps. To provide against a possible failure of the electric power supply all stations previously solely dependent on electric drive are being provided with an independent stand-by drive. At the two Aberdeen pumping stations, Perkins 6-cylinder diesel engines have been installed. The flexible coupling between the motor and pump was provided with V-belt grooves to enable the belt drive from the diesel engine to be taken direct on to the coupling in the event of failure of the power supply. The diesel engine ordered for Albany was still not delivered by the end of the year. 221. Shing Mun Conduit. This scheme is designed to replace an existing open conduit in a bad state of repair with a 36" diameter steel main. Delivery of the pipes ordered was completed in October 1950 and the pipes were transported direct to Shing Mun. A contract was let for work in connexion with the laying of the pipes. Work started on 5th February 1951 and approximately a quarter of the pipes had been laid by the end of the year. 222. Improvement to Fanling Supply. In connexion with the very large demand for additional water supplies by the many Military installations in the Fanling area and also the development of such civil settlements as Luen Wo Market Town, the implementation of the resources of the inadequate Fanling water supply became a necessity. After giving consideration to various new sources of supply, the harnessing of a large stream (river Jhelum) in the vicinity of Hok Tau Village was decided upon. The gauging operations showed that after withdrawing 200,000 gallons per day to augment the Fanling water supply, the stream still could provide approximately the same amount of water for the irrigational 37 Page 37 was not included in the original response as per the instructions, the last line is kept as is. However, the correct format should be followed for page numbering if it appears in the original text, i.e., keeping the "Page XX" lines as they are if they are exactly six lines (three at the top and three at the bottom). Since "Ph 6!O De Wལྷལ༡༡ལྔ་ར3EN%NRINPVWNANNNZQ89%SYNolk%ijc" does not seem to be relevant to the text and appears to be a jumbled or corrupted text, it is not included in the response.

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! 218. Pokfulam Road Pumping Station. The present pumping units at this station consist of three steam-driven pumps which are most un- economical. It is proposed to replace these steam pumps by three diesel- driven units, but two of the existing steam pumps will be left in situ for use in an emergency. The three diesel-driven pumps have been ordered and delivery started in September 1950. The installation of one diesel pump was completed by the end of March 1951, together with the conver- sion of one of the disused boilers into a fuel oil storage tank, 219. Peak Pumping Mains. In conjunction with the replacement of the Pokulam Road pumps the delivery mains are being enlarged. Of these a new 15" diameter pumping main was laid to West Point Filters and work commenced on a new 8" diameter steel main to the 750′ tank. These mains will materially reduce the load on the pumps by replacing the common 8" diameter main which is too small and has reached the end of its useful life. Pipes also arrived for a new 8" diameter pumping main to the Peak to replace an inadequate and very old 5′′ diameter main. This will be laid during 1951/52. 220. Stand-by Pumps. To provide against a possible failure of the electric power supply all stations previously solely dependent on electric drive are being provided with an independent stand-by drive. At the two Aberdeen pumping stations, Perkins 6-cylinder diesel engines have been installed. The flexible coupling between the motor and pump was provided with V-belt grooves to enable the belt drive from the diesel engine to be taken direct on to the coupling in the event of failure of the power supply. The diesel engine ordered for Albany was still not delivered by the end of the year. 221. Shing Mun Conduit. This scheme is designed to replace an existing open conduit in a bad state of repair with a 36" diameter steel main. Delivery of the pipes ordered was completed in October 1950 and the pipes were transported direct to Shing Mun. A contract was let for work in connexion with the laying of the pipes. Work started on 5th February 1951 and approximately a quarter of the pipes had been laid by the end of the year. 222. Improvement to Fanling Supply. In connexion with the very large demand for additional water supplies by the many Military installa- tions in the Fanling area and also the development of such civil settlements as Luen Wo Market Town, the implementation of the resources of the inadequate Fanling water supply became a necessity. After giving consideration to various new sources of supply, the harnessing of a large stream (river Jhelum) in the vicinity of Hok Tau Village was decided upon. The gauging operations showed that after withdrawing 200,000 gallons per day to augment the Fanling water supply, the stream still could provide approximately the same amount of water for the irrigational 37 Ph 6!O De W་ལྷལ༡༡ལྔ་ར3EN%NRINPVWNANNNZQ89%SYNolk%ijc

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218. Pokfulam Road Pumping Station. The present pumping units at this station consist of three steam-driven pumps which are most un- economical. It is proposed to replace these steam pumps by three diesel- driven units, but two of the existing steam pumps will be left in situ for use in an emergency. The three diesel-driven pumps have been ordered and delivery started in September 1950. The installation of one diesel pump was completed by the end of March 1951, together with the conver- sion of one of the disused boilers into a fuel oil storage tank,

219. Peak Pumping Mains. In conjunction with the replacement of the Pokulam Road pumps the delivery mains are being enlarged. Of these a new 15" diameter pumping main was laid to West Point Filters and work commenced on a new 8" diameter steel main to the 750′ tank. These mains will materially reduce the load on the pumps by replacing the common 8" diameter main which is too small and has reached the end of its useful life. Pipes also arrived for a new 8" diameter pumping main to the Peak to replace an inadequate and very old 5′′ diameter main. This will be laid during 1951/52.

222. Improvement to Fanling Supply. In connexion with the very large demand for additional water supplies by the many Military installa- tions in the Fanling area and also the development of such civil settlements as Luen Wo Market Town, the implementation of the resources of the inadequate Fanling water supply became a necessity. After giving consideration to various new sources of supply, the harnessing of a large stream (river Jhelum) in the vicinity of Hok Tau Village was decided upon. The gauging operations showed that after withdrawing 200,000 gallons per day to augment the Fanling water supply, the stream still could provide approximately the same amount of water for the irrigational

1950-1951 — Page 51

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